a stone baby, the rare result of a late, spontaneously terminated ectopic pregnancy where the fetus becomes calcified. Thought to be, in large part, due to the body's need to prevent host vs. graft disease and the clinical pathology that GVHD might entail

also, used to describe someone way beneath you, especially when the person is of normal quality but you are the absolute shit

You remember lee ann, that fat bitch that always said she was pregnant? She actually had a lithopedion inside her all those years.